<form action='<?php echo $this->action;?>' method='post' id='<?php echo $this->id ;?>' class='file_editor jsonForm'>
<?php 
echo $this->formHidden('id', $this->id);
echo $this->formTextarea('file_contents', $this->file_contents);
echo $this->formSubmit('save', 'Save File');
?>
</form>